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Full text of "Mathematical And Physical Papers - Iii"

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ON  THE  CHANGE OF REFRANGIBILITY OF LIGHT.
407
vantage of being able to examine readily light of each degree of refrangibility in particular, the results obtained by means of sensitive media seem to be more trustworthy on this account, that it would be possible to employ fresh eyes. The experiments of M. Brilcke necessarily occupied a considerable time, and it may be doubted whether the eye, especially after dissection, might not have changed in the interval, and whether the results so obtained are applicable to the eye as it exists in the living animal.